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Downlink multi-user transmission techniques that can serve several users simultaneously in frequency and time have been recently recognized as a promising means to significantly increase system capacity. A disadvantage of these techniques is that accurate channel state information at the transmitter (CSIT) is essential for their proper operation. In practice however perfect CSIT is hard to obtain. In this paper multi-user multiple-input single-output (MU-MISO) transmission with limited feedbackdoi:10.1109/wcnc.2006.1696609 dblp:conf/wcnc/WangM06 fatcat:5eo6c4g7wfew3pxkl4yyflg6ly